


# def fun1(str_1):
#     if str_1.startswith('a') or str_1.startswith('A'):
#         print(True)
#     else:
#         print(False)
#
#
# fun1(str_1)

fun2 = lambda str_1:True if str_1.startswith('a') or str_1.startswith('A') else False
while True:
    str_1 = input('请输入一个字符串:')
    print(fun2(str_1))
